ob1_wiki_extensions_tags_macro.rb

Altered tags macro - Henrik Ammer, 2010-03-22 17:05

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# Wiki Extensions plugin for Redmine
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# Copyright (C) 2009  Haruyuki Iida
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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require 'redmine'
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module WikiExtensionsWikiMacro
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  Redmine::WikiFormatting::Macros.register do
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    desc "Displays tags.\n\n"+
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      "  @{{tags}}@\n"
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    macro :tags do |obj, args|
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      return nil unless WikiExtensionsUtil.is_enabled?(@project)
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      page = obj.page
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      return unless page
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      project = page.project
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      return '' if page.tags.empty?
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      o = '<ul class="tags">'
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      page.tags.each{|tag|
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        o << '<li>' + link_to("#{tag.name}", {:controller => 'wiki_extensions',
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              :action => 'tag', :id => project, :tag_id => tag.id}) + '</li>'
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      }
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      o << '</ul>'
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      return o
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    end
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  end
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  Redmine::WikiFormatting::Macros.register do
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    desc "Displays tagcloud.\n\n"+
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      "  @{{tagcloud}}@\n"
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    macro :tagcloud do |obj, args|
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      return nil unless WikiExtensionsUtil.is_enabled?(@project)
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      classes = ['tag_level1', 'tag_level2', 'tag_level3', 'tag_level4', 'tag_level5']
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      page = obj.page
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      return unless page
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      project = page.project
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      o = '<h3>' + l(:label_wikiextensions_tags) + '</h3>'
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      tags = WikiExtensionsTag.find(:all, :conditions => ['project_id = ?', project.id])
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      return '' if tags.empty?
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      max_count = tags.sort{|a, b| a.page_count <=> b.page_count}.last.page_count.to_f
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      tags.sort.each{|tag|
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        index = ((tag.page_count / max_count) * (classes.size - 1)).round
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        o << link_to("#{tag.name}(#{tag.page_count})", {:controller => 'wiki_extensions',
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              :action => 'tag', :id => project, :tag_id => tag.id}, :class => classes[index])
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        o << ' '
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      }
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      return o
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    end
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  end
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end